Ключевые слова: access, allow, amber, background, blue, british, car, change, city, cloud, color, colorful, concept, control, cross, crossroad, danger, drive, go, green, illuminated, intersection, lamp, light, no, object, red, regulate, road, route, safety, semaphore, set, sign, signal, sky, space, stop, stoplight, street, traffic, trafficlight, transport, transportation, travel, urban, warning, yellow,